Home / 112,339.20-168,461.76-45,734.04

Finding the Fourth Proportional to 112,339.20, 168,461.76 and 45,734.04

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Solution

The fourth proportional to 112,339.20, 168,461.76 and 45,734.04 is: 68,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339.20 : 168,461.76 = 45,734.04 : x
  2. Step 2: Convert to fraction form
    112,339.20/168,461.76 = 45,734.04/x
  3. Step 3: Cross multiply
    112,339.20x = 168,461.76 × 45,734.04
  4. Step 4: Simplify right side
    112,339.20x = 7,704,436,870.31
  5. Step 5: Solve for x
    x = 7,704,436,870.31/112,339.20
  6. Step 6: Final answer
    x = 68,581.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.